MS. NONNIE L. HUMPHREYS LMSW
NPI 1720004567
Social Worker - Clinical in Clarkston, MI
About Ms. Nonnie L. Humphreys Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. NONNIE L. HUMPHREYS LMSW (NPI 1720004567) is an individual clinical provider in Clarkston, Michigan, licensed in Michigan (6801064385) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Nonnie L. Humphreys Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nonnie Humphreys reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clarkston, MI 48346
- Reassigned Medicare billing, Michigan enrollment
- 451 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48346 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLARKSTON, MI 48346
CLARKSTON, MI 48346
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nonnie Humphreys's NPI number?
The NPI number for Nonnie Humphreys is 1720004567. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is Nonnie Humphreys located?
Nonnie Humphreys practices at 6770 Dixie Hwy Suite 312, Clarkston, MI 48346. The listed phone number is (248) 922-2300.
What is Nonnie Humphreys's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Nonnie Humphreys enrolled in Medicare?
Yes. Nonnie Humphreys is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nonnie Humphreys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nonnie Humphreys reassigns Medicare benefits to Downriver Mental Health Clinic PC (Clarkston, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nonnie Humphreys's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nonnie Humphreys accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Nonnie Humphreys as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Nonnie Humphreys was last updated on September 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Nonnie L. Humphreys, LMSW · NPI 1720004567
Clinical provider in Clarkston, Michigan. Individual provider, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1720004567 (Entity type: Individual)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801064385 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6770 DIXIE HWY, SUITE 312, Clarkston, MI 48346-2087
- **Phone:** (248) 922-2300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Downriver Mental Health Clinic PC (NPI 1508994237, Clarkston, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** September 23, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1720004567) · Data from the CMS NPPES public registry.